which of the following are electrical hazards osha quizlet

The first worker knocked the auger off the victim, but saw that the electric cord was wrapped around the victim's thigh. Most of the hydrides of Group 1A and Group 2A metals are ionic. c.15 feet She finds several available in the shop. What is the most common, non-fatal, electrical shock-related injury? Unless you know otherwise, assume that overhead lines are energized. hazard or that their employer is not following OSHA's rules. 0000004274 00000 n 1452 0 obj <> endobj <> Electrical Safety Multiple Choice Questions and Answers for competitive exams. Course 812 Module 7 OSHA Focus Four Hazards: Electrocution - OSHAcademy c) Age True. -Voltage= a measure of electrical force. BIOLOGICAL HAZARDS: term effects) and strain (longAssociated with working with animals, people, or infectious plant materials. 4. 4.Damaged cover or insulation, When using electric-powered hand tools, do not overload: 0000022637 00000 n 30 days B. 3. She has an older drill with a steel housing and a 3-prong plug. trailer <<11AC4BACEBCA4B32A885F1120BD3A307>]>> startxref 0 %%EOF 153 0 obj <>stream The victim was totally deaf in one ear and suffered diminished hearing in the other. ( Electrical safety requirements necessary for the practical safeguarding of employees in the workplace. c.Absorb any water around the area OSHA: How Electricity Works Flashcards | Quizlet 128 0 obj <> endobj xref 128 26 0000000016 00000 n Call ________ prior to digging to be connected with your local One Call Center to have all underground lines located by the utility company. Out of several possible scenarios, the most likely was contact between the exposed wires of an extension cord and a screw that protruded from the receptacle, which had its face plate removed. |tYny@YE>LkNj4-czZf"Usw>j\sv3fn},>},KeA s Explain the purpose and use of the MyPlate symbol. Osha 10 test answers 2021 quizlet - Math Questions 1476 0 obj <>stream Question 2: It's okay to use extension cords with worn insulation, as long as you are careful about it. One hand drill was not grounded, and the other had no safety plate. 0000002403 00000 n Leaving or using electrical appliances near water - As electric current is transmitted faster in on wet surfaces, you stand a chance of getting an electric shock. Electricity to operate portable power tools was supplied by a temporary service pole 50 feet away. Select the correct answer and then click DONE. Exercise their rights under the law without retaliation, including reporting an injury or raising health and safety concerns with their employer or OSHA. 2.Using an aluminum ladder when the possibility exists for contact with electricity. 2. Visually inspect all electrical equipment before use. endobj This standard also includes safe work practices for employees performing other work activities that can expose them to electrical hazards as well as safe work practices for the following: (1) Installation of conductors and equipment that connect to the supply of electricity (2) Installations used by the electric utility, such as office . Examples of Equipment That Can Contact Power Lines. d) All of the above. The power switch on the welder was already in the "on" position, and the female end of the extension cord, which was spring loaded, had apparently been dropped and broken. The ________ keeps the electricity on its intended path through the conductor. Other protective measures include guarding or insulating the lines. Electrical Safety Standards in the Workplace - NFPA 70E - Grainger KnowHow Additionally, the ground prong was missing and there was no GFCI protection. You can classify scales for weighing objects as those that use springs and those that use standard masses to balance unknown masses. The \rule{1cm}{1pt} artery carries deoxygenated blood from the heart to the lungs. c.Wood -Conductor= permits the free flow of electricity. 0000002195 00000 n Latoya is using a mixing motor to mix pool chemicals in a plastic drum. CCOHS: Electrical Safety - Basic Information c.40,000 volts Does the fall qualify as an electrical accident? 3.Tears Is not broken, Question Text: Electrical tools should be grounded with a(n)________. 4.On equipment that must run unattended for long periods of time, Manufacturing equipment may be grounded using a wire connected to a rod driven into the earth. 4.Dirt build-up, Use only approved and authorized power tools in areas where the following hazards may be present: 1.Clench 2. You need to evaluate the situation you are in and assess your . On the day of the incident, the victim plugged in a damaged extension cord and laid it out towards the bulkhead. Before using the equipment, be sure that the ground wire: Use only extension cords that are marked with a designation code for hard or extra-hard usage. Adapter For 3-Prong Cord Not Grounded To Outlet: On May 27, 1986, two workers were using a 110-volt auger to install tie-down rods for a manufactured home. 0000017163 00000 n The ground wire was not attached on the male end of the cord's plug. Effective means of controlling power line hazards include: Intentionally creating a low-resistance path that connects to the earth. When inspecting extension cords, look for: 0000001861 00000 n <> !DP#vr-\DM<6V-2'I5l6)Z@^m=}c3-aUOo6rr V-Y3d6HABmjD $TQCvK*eg&|Y596#H\ Look for overhead power lines and buried power line indicators. 0000013999 00000 n Becoming part of the circuit exposes you to ________, the most dangerous electrical hazard. d. No, because an extension cord would not provide enough power. The pole had not been inspected by the city and was not in compliance with code requirements (it was not grounded). . A laborer carried a piece of wire reinforcement (10 feet long by 8 inches wide) along the top section of the scaffold and contacted the power line with it. Should Ajay use a GFCI? When it completes a circuit through the body. How might this event affect the ability of animals to obtain energy to live? c.911 The driver stopped the truck under the power line, and the victim, not realizing that the truck had moved, swung the boom to position the bucket behind the truck. Best practices with power lines include: D. near other electrical equipment. Switch b.Shut off power within five minutes of the imbalance (a) Describe the reaction between the hydride ion and water in terms of a Bronsted acid-base reaction. d.Adapter, What is a GFCI? 4.Good condition of moveable parts, Items that could encourage overheating and cause tools to malfunction or start a fire include: a.Extension cords 2.Something to transport the electrical current -- A conductor. OSHA: Air Monitoring & Medical Surveillance, WebQuest: Biomes, Ecosystems and Habitats. Carly needs to use an extension cord with her corded nail gun. 0000420887 00000 n The light fixture, which served as a ground, was known to be faulty for at least 5 months before the incident. Quiz Question 2: Which is acceptable when using powdered tools? Be sure equipment that has been shop fabricated or altered is in compliance. endobj vpfuI)],s 1.Extension cords 0000018681 00000 n A co-worker disconnected the power cord to the saw, too late to save the victim. Even when the power system is properly grounded, electrical equipment can instantly change from safe to hazardous because of extreme conditions and rough treatment. 4.Must be replaced, Always use a GFCI: a.Conductive objects h|UnH}+i-. SCENARIO: You encounter a co-worker on a residential remodeling job. Power was supplied through two extension cords from a nearby residence. 12 months C. 6 months D. Never Q23. 0000005734 00000 n Draw a line from the item on the left that corresponds to the match on the right. a. Gaseous matter a.Ground Fault Circuit Insulator As a result, the ground prong of the welder plug did not insert into the ground terminal of the cord, so that as soon as a connection was made, the outside metal case of the welder became energized, electrocuting the victim. Electrical hazards like frayed cords, missing ground pins, improper wiring or the harm that these hazards pose. x_HSqnwmky54YLzeStJi# TZObFT*.#BQF/Q [Flexible Cords and Power Tools]. % A fan connected to a 120-volt electrical system via an extension cord provided ventilation for a worker performing a chipping operation from an aluminum stepladder. A Safety Electrical One Line Diagram should be used to _____ all sources of electrical energy. c.Gasoline Test your knowledge with our electrical safety quiz below. Used across walkways. Select the correct answer and then click DONE. OSHA 30 Module 6: Personal Protective Equipme, OSHA 30 - Module 16: Recordkeeping & Reporting, OSHA 30 - Module 18: Safety and Health Progra, OSHA 30 - Module 11: Welding, Cutting and Bra, CRJ 200 Limitations (Official-ish) - MODDED (, SERE 100.2 Level A SERE (J3TA-US1329) (Civili, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, E. Russell Johnston, Ferdinand Beer, Phillip Cornwell. a. 4.Circuit breakers, When inspecting power tools, look for: Using a dry wood ladder when the possibility exists for contact with electricity. a.Two-prong plug Dirk, a 28-year-old mechanic, is performing maintenance on a piece of equipment when he is shocked. OSHA 10-Hour Safety Course - Electrical Safety Page 5 of 5 Use the three-stage safety model to stay safe: recognize, evaluate, and control hazards. OSHA 10 General Industry Test Answer Key WALKING. PDF Name: Date: Test Electrical Safety Quiz SELECT THE BEST ANSWER. d. Not checking to make sure that the motor was properly grounded, If the circuit does not turn off when testing the GFCI, the GFCI: As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. 1.The humidity of the environment The modification of the plug was not an intended use or prescribed by the manufacturer. 1. Study with Quizlet and memorize flashcards containing terms like Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential?, According to NFPA 70E, job briefings must be held for those employees that will be working on or near live parts operating at ______ or more., When does electricity become hazardous to humans? Due to the dynamic, rugged nature of construction work, normal use of electrical equipment at your site causes wear and tear that results in insulation breaks, short-circuits, and exposed wires. Electrical - Overview | Occupational Safety and Health Administration <<7628BB2D46738F42B2FC6393656F4718>]>> 5. xb```VVF A10p,``Pp`hhdpn``r`L:[ I,aZ4Knj21 `ny; Ge7t@OrMx)"cx&e:[~J%aUJ\*t The source of the shocks -- the saw -- was not replaced. While attempting to unplug the compressor from the extension cord, the employee was fatally shocked. c. Extend the reach of the power tool. Best Practices with Power Lines Quiz OSHA 30 - Best -Severe skin burns. 0000421627 00000 n Quiz Question 6: Which of these is not a type of Ground Fault Circuit Adapter? @*@;z}IAH@3MsgU1Dnf@agLahpCn@&b|-^;b0k*!3VYy,jy%( Z%|\Jg"dRp-Wbz3QJS%k9p_WtZ A worker was removing a metal antenna when it made electrical contact with a 7200-volt power transmission line. Identify the oxidizing and reducing agents. 0000005716 00000 n Which of the following can be the result of electric shock? OSHA requires the testing of a volt meter after a voltage test on voltage above_____. What do tripped circuit breakers and blown fuses indicate? The insulation on the extension cord was cut through and exposed bare, energized conductors which made contact with the ladder. He yelled for his co-workers to disconnect the power, which they did. Use non-conductive wood or fiberglass ladders when working near power lines. Since the outlet at the adjacent property had no socket for a ground prong, the extension cords were plugged into the outlet using an adapter, but the ground wire of the adapter was not grounded. 0000056642 00000 n The normal wear and tear on extension and flexible cords at your site can loosen or expose wires, creating hazardous conditions. c. Inductive objects Equipment used in manner prescribed. 0000108653 00000 n ZR)!=w|; @uT C0? No Ground-Fault Circuit Interrupters (GFCIs): A journeyman HVAC worker was installing metal duct work using a double-insulated drill connected to a drop light cord. %%EOF Regarding hand protection employers should: A. Select the correct answer and then click DONE. D 600v. Use only extension cords that are 3-wire type. Isolating, Power lines may be located underground. 0000002876 00000 n If you are touching any grounded material while using a power tool A. wrap tape around the damaged spot to prevent electrical shocks. Using circuit breakers or fuses with the wrong rating for over-current protection, e.g. Post warning signs. Among all of the safety measures that can and should be used to prevent electrical shock, which one is the most essential? 0000006152 00000 n Which of the following are insulators of electricity? 0000012944 00000 n c.Power lines 0000021516 00000 n 1. 0000004208 00000 n B 208v. OSHA 29 CFR 1910.147 . Flexible Cord Not 3-Wire, Hard Service Variety: A worker received a fatal shock when he was cutting drywall with a metal casing router. Arc Flash. SECTION #4 | Participant Guide 2 Electrical Safety mELECTRICAL SAFETYm mACTIVITY 1 - GROUNDINGm In your small group, read fact sheets A and B, and the following scenario. 0000012360 00000 n 1.Using a fiberglass ladder when the possibility exists for contact with electricity. 1.Missing 4.Broken. Suppose a volcano threw so much ash into the air that it blocked much of the sunlight. He may have dropped the extension cord at the site and not heard the connector break. 0000007116 00000 n 0000055319 00000 n 0000427811 00000 n De-energize and ground lines when working near them. Take any defective equipment out of service. 0000024814 00000 n Is split d.Add more outlets. gYpV:+ Hand-operated metal shifting ropes or cables of electric elevators. 0000001646 00000 n Electrical hazards are life threatening incidents that could happen due to electricity. Attaching ungrounded, two-prong adapter plugs to three-prong cords and tools. (D) None of the above. b. Deductive objects 2. OSHA: Air Monitoring & Medical Surveillance, 5 ANO - RETOMANDO ARTIGO, SUBSTANTIVO E ADJE. 2 0 obj d.50,000 volts. He plans to use it over a period of at least six months. lb MKS x=k6S *ywvkDyb_w rg&@Q5/^4O_~w/]7[xqs7Zt?LK-,>W\W`Mb?n8\.vpOJA7~5R%.oJd|Bbv7biQH%^~C=m3_ov{8] }C.Se={o7H[w@/^j BgXRC/O/eiLHiN\4~7x=^J@|]zu"x]lQ-+.xF=oY +B?jSl|(agF_].+UH\!/;AU .cG!h@42 iqnkZtdc#^)AX96(wFZ,RP{[\j\aJgc) diV;BNzZge(}=0Pj Qp@"]yOnNw89 0000014257 00000 n Remove from service any equipment with frayed cords, missing ground prongs, cracked tool casings, etc. -Wood. hbb``b``3N0  endstream endobj 183 0 obj <>/Metadata 28 0 R/Names 184 0 R/Outlines 23 0 R/Pages 27 0 R/StructTreeRoot 30 0 R/Type/Catalog/ViewerPreferences<>>> endobj 184 0 obj <> endobj 185 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/Properties<>>>/Rotate 0/StructParents 0/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 186 0 obj <> endobj 187 0 obj <> endobj 188 0 obj <>stream Follow manufacturers' recommended testing procedure to insure GFCI is working correctly. 3 OSHA requires the testing of a volt meter after a voltage test on voltage above_____. 0000001731 00000 n Easy to identify PDF Electrical Hazards - Occupational Safety and Health Administration Ground metal parts of the following non-electrical equipment, as specified by the OSHA standard [29 CFR 1926.404(f)(7)(v)]: Frames and tracks of electrically operated cranes. When the energized conductor made contact with the ladder, the path to ground included the worker's body, resulting in death. If a defective power tool gives you an electric shock, how might your muscles react? What is the output of the program in Exercise 17, if first = 26 and second = 8? 0000005406 00000 n PDF SAFETY HAZARDS: These are the most PHYSICAL HAZARDS: CHEMICAL HAZARDS The source of the electricity was apparently a short in a receptacle, but examination revealed that the electrical equipment used by the contractor was in such poor condition that it was impossible to make a certain determination of the source of the short. Besides personal bodily injury, what other electrical hazards can be found in the workplace? Question 2: Which of the following is NOT a category of electrical burns? Study with Quizlet and memorize flashcards containing terms like Bob is asked to repair some overhead wiring, requiring the use a ladder. OSHA 10 - Exit Routes, Emergency Action Plans, The Analysis and Design of Linear Circuits, Albert J. Rosa, Gregory J. Toussaint, Roland E. Thomas. (3,2,1), (5,4,3). HJ=S~68438IR/:VR C Y<7H*$F>ya)N1bTa+'OdzydV9QS]b{}(=q?pH,mt8{Ag ]wp?2N$AfnhBL!jV=6ho)5jA8H`Bkh{T[v\G%b|4| Eo*cF ]TBGjB[r6)WzCkQ;Bx(]*JG;&o0TV.P=s4Gs(&e~}j76,-6at$]r**-I!o66PqK.z "*D q>NmnLNmb$"Iyx1bD9.~Ll. D. Have an ANSI sticker and an expiration date. 0000002386 00000 n Provide a safe path to earth ground for electricity. Question 2: Which of the following are ways . 0000028595 00000 n Electricity for power tools was supplied from an exterior 120-volt, grounded AC receptacle located at the back of the residence. Best Practices with Power Lines 1. OSHA: Electrical Hazards Flashcards | Quizlet 0000010603 00000 n 0000002150 00000 n Electrical Contractors Industry. 0000003603 00000 n 0000004884 00000 n b.Not wearing insulating shoes or boots when she was handling electrical equipment This may damage your equipment and cause employee injuries. d. 20 feet. In addition to contact with power lines, the top electrical hazards include: 3.Draped over equipment. %PDF-1.5 The router's 3-wire power cord was spliced to a 2-wire cord and plug set which was not rated for hard service. Explain the process that prevents the poles from steadily cooling off and the tropics from heating up over time. Improper Use of Extension and Flexible Cords. 0000057373 00000 n Looking for NFPA 70E Certification? (B) Switch sticks. 2. [Flexible Cords] Cords that are not 3-wire type, not designed for hard-usage, or that have been modified, increase your risk of contacting electrical current. 4 0 obj 1.When you are using electricity near water 0000108920 00000 n 0000003900 00000 n 1.Pain 5>vB35Plm$\4{U[lU`t~.vJGmFO^@+ cGPzNY*oS(m%q{Agp Quiz Question 4: Which is a preventive measure to prevent hazards while working with power lines? Select the correct answer and then click DONE. 0000006893 00000 n <> b.10 feet The victim collapsed into the lake and sank 4-1/2 feet to the bottom. d. heart attacks. -Glass. -Falls. b+t6W' te+.W_{8u7Dt@1c. uVNSF!UTRQ91uR,6@hCH}]GAlaPh)NeT$iQ89S9|?4wahU ltz9 PH[$I&VX9WG%K~1{u8M:D"+HLEy 3@NR^z!rB^?RyOj;'Lof. 5.Twitch, Electrical shock may result in: 3.Maintaining a safe distance of at least 10 feet from all overhead power lines. Potential hazards of electricity are preventable if you: Electricity must always travel in a(n) ________, ________ circuit. Engineers, electricians, and other professionals work with electricity directly, including working on overhead lines, cable harnesses, and circuit assemblies. 0000110659 00000 n *Effects are for voltages less than about 600 volts. b) Staples Explosion 3.ack of ground fault protection. 3.Loss of eyesight -Grounding= a conductive connection to the earth which acts as a protective measure. Quiz Question 5: A/an ___________ is a unit of measurement for electrical resistance. 1. g]+fn_m{mja_0Y w endstream endobj 189 0 obj <> endobj 190 0 obj <>stream Ground all exposed metal parts of equipment. Which of the following are insulators of electricity? The auger then fell across the other worker, the 24-year-old victim. To be safe, you must think about your job and plan for hazards. OSHA 10 General Industry Topic Exams Answer Key TOPIC EXAM 1: INTRO TO OSHA 1. b.Electrical tools Select the choices that accurately define the common electrical term. d.A power tool, A GFCI is designed to: List the four main types of electrical injuries, Using the illustration, select the answer that matches the picture, Identify the illustration by selecting the appropriate answer. (C) Hot sticks. As he is working on the wiring, he receives an electrical shock that knocks him backward and causes him to fall off the ladder. C 277v. 21 Examples Of Electrical Hazards - HSEWatch 4,600. Find the energy required to raise an electron from the n=4n=4n=4 state to the n=5n=5n=5 state in Li2+\mathrm{Li}^{2+}Li2+ and in hydrogen atom. PDF OSHA Safety - Electrical Safety - Red Vector 1.Missing or broken path to ground. 1 0 obj Match the length from job to outlet. 0000003413 00000 n -Damage to internal organs. 3. a.Your thumb. Co-workers provided CPR, but were unable to revive the victim.

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